30213030133 has 16 divisors (see below), whose sum is σ = 35526657600. Its totient is φ = 25330999680.

The previous prime is 30213030121. The next prime is 30213030143. The reversal of 30213030133 is 33103031203.

It is a cyclic number.

It is not a de Polignac number, because 30213030133 - 2²⁵ = 30179475701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213030133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213030143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67878 + ... + 255016.

It is an arithmetic number, because the mean of its divisors is an integer number (2220416100).

Almost surely, 2^30213030133 is an apocalyptic number.

It is an amenable number.

30213030133 is a deficient number, since it is larger than the sum of its proper divisors (5313627467).

30213030133 is a wasteful number, since it uses less digits than its factorization.

30213030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188292.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30213030133 its reverse (33103031203), we get a palindrome (63316061336).

The spelling of 30213030133 in words is "thirty billion, two hundred thirteen million, thirty thousand, one hundred thirty-three".